The LUX Dark Matter Detector is installed in the Davis Cavern of the Sanford Lab in South Dakota in March. The water tank measures 24 feet in diameter, is two stories high and will hold 71,600 gallons.
Credit Matt Kapust / AP
Businessman and philanthropist T. Denny Sanford has pledged $70 million to the Sanford Underground Science and Engineering Laboratory. He stands next to a plaque dedicating the 4,850 foot level, where several experiments will be set up, in 2009.
Credit Steve McEnroe / AP
The entrance to the Sanford lab is through the Ross Shaft building of the old Homestake Mine in Lead, S.D.
In Lead, S.D., a steel cage drops almost a mile below ground into the Sanford Underground Laboratory. It's formerly the deepest underground gold mine in North America, and when it closed a decade ago, state officials hoped that an underground science laboratory along with on-site university classes could spur economic development.
Originally published on Wed August 1, 2012 3:33 pm
The Federal Trade Commission is proposing some tougher rules to control the privacy of children online. According to The Washington Post, the proposed rules would make it more difficult for advertisers and social networks to collect information from children.